jay-q

i was reading the writeup done to adjust the tps on the 3.0 and it states

" to check whether the adjustment was successful start the engine and insert the timing test jumper, if the idle speed decreases audibly it is working normally"

well before i mess with the tps, i want to do this test and see what my engine is doing. only thing is i don't know what a timing test jumper is. please advise. where would i be able to get one and where does it plug into?

thanks
JQ

eric-the-red

I'm sure Toyota has a special tool for this but I just use a small piece of wire, about 20 guage or so. It jumps 2 connectors in the diagnostic connector box. I can't remember off hand which ones they are, something like TE1 and E, but I'm sure someone else will answer.

evilcow

Yup, Te1 and E1

nunsa

Greetings,
Under the hood next to ye olde fuse box is a grey diagnostic box, take a paperclip and insert one end into "te" & the other end into "e1", if the idle decreases your tps is working fine, if not your tps is shot or out of adj.
Good Luck!